<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Lesson 1</title>
  </head>
  <body>
    <p>Задание №1</p>
    <button onclick="task_1()">Click Me</button>

    <p>Задание №2</p>
    <button onclick="task_2()">Click Me</button>

    <script src="task_1.js"></script>
    <script src="task_2.js"></script>
    <script src="task_3.js"></script>
  </body>
</html>
